public class Demo13 {
    public static void main(String[] args) {
        int[] arr = {1,2,3,4,5,6,7,8,9,0};
        for (int a : arr) {
            System.out.print(a + " ");
        }
//        System.out.println();
//        for (int i = 0; i < arr.length; i++) {
//            arr[i] = i + 10;
//            System.out.print(arr[i] + " ");
//        }
        System.out.println("\n===========================");
        for (int i = 0; i < arr.length; i++) {
            System.out.print(arr[i] + " ");
        }
    }
}